- removed superfluous toText() calls in out-of-zone exception creation
- moved in-memory out-of-zone check to be part of findNode instead of separate check in find()
- added out-of-zone check to addAdditional lookup (and don't lookup unless in zone)
- removed FIND_DEFAULT parameters in unit tests (they are default values)
- change notify_out sqlite test data to have out-of-zone-but-known NS target